Q. interface Base{
boolean m1 ();
byte m2(short s);
}

which two code fragments will compile?
1. interface Base2 implements Base {}

2. abstract class Class2 extends Base
{ public boolean m1(){ return true; }}

3. abstract class Class2 implements Base {}

4. abstract class Class2 implements Base
{ public boolean m1(){ return (7 > 4); }}

5. abstract class Class2 implements Base
{ protected boolean m1(){ return (5 > 7) }}